drivers/media/usb/gspca/ov534_9.c

   1 /*
   2  * ov534-ov9xxx gspca driver
   3  *
   4  * Copyright (C) 2009-2011 Jean-Francois Moine http://moinejf.free.fr
   5  * Copyright (C) 2008 Antonio Ospite <ospite@studenti.unina.it>
   6  * Copyright (C) 2008 Jim Paris <jim@jtan.com>
   7  *
   8  * Based on a prototype written by Mark Ferrell <majortrips@gmail.com>
   9  * USB protocol reverse engineered by Jim Paris <jim@jtan.com>
  10  * https://jim.sh/svn/jim/devl/playstation/ps3/eye/test/
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  25  */
  26
  27 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  28
  29 #define MODULE_NAME "ov534_9"
  30
  31 #include "gspca.h"
  32
  33 #define OV534_REG_ADDRESS       0xf1    /* sensor address */
  34 #define OV534_REG_SUBADDR       0xf2
  35 #define OV534_REG_WRITE         0xf3
  36 #define OV534_REG_READ          0xf4
  37 #define OV534_REG_OPERATION     0xf5
  38 #define OV534_REG_STATUS        0xf6
  39
  40 #define OV534_OP_WRITE_3        0x37
  41 #define OV534_OP_WRITE_2        0x33
  42 #define OV534_OP_READ_2         0xf9
  43
  44 #define CTRL_TIMEOUT 500
  45
  46 MODULE_AUTHOR("Jean-Francois Moine <moinejf@free.fr>");
  47 MODULE_DESCRIPTION("GSPCA/OV534_9 USB Camera Driver");
  48 MODULE_LICENSE("GPL");
  49
  50 /* specific webcam descriptor */
  51 struct sd {
  52         struct gspca_dev gspca_dev;     /* !! must be the first item */
  53         __u32 last_pts;
  54         u8 last_fid;
  55
  56         u8 sensor;
  57 };
  58 enum sensors {
  59         SENSOR_OV965x,          /* ov9657 */
  60         SENSOR_OV971x,          /* ov9712 */
  61         SENSOR_OV562x,          /* ov5621 */
  62         NSENSORS
  63 };
  64
  65 static const struct v4l2_pix_format ov965x_mode[] = {
  66 #define QVGA_MODE 0
  67         {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
  68                 .bytesperline = 320,
  69                 .sizeimage = 320 * 240 * 3 / 8 + 590,
  70                 .colorspace = V4L2_COLORSPACE_JPEG},
  71 #define VGA_MODE 1
  72         {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
  73                 .bytesperline = 640,
  74                 .sizeimage = 640 * 480 * 3 / 8 + 590,
  75                 .colorspace = V4L2_COLORSPACE_JPEG},
  76 #define SVGA_MODE 2
  77         {800, 600, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
  78                 .bytesperline = 800,
  79                 .sizeimage = 800 * 600 * 3 / 8 + 590,
  80                 .colorspace = V4L2_COLORSPACE_JPEG},
  81 #define XGA_MODE 3
  82         {1024, 768, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
  83                 .bytesperline = 1024,
  84                 .sizeimage = 1024 * 768 * 3 / 8 + 590,
  85                 .colorspace = V4L2_COLORSPACE_JPEG},
  86 #define SXGA_MODE 4
  87         {1280, 1024, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
  88                 .bytesperline = 1280,
  89                 .sizeimage = 1280 * 1024 * 3 / 8 + 590,
  90                 .colorspace = V4L2_COLORSPACE_JPEG},
  91 };
  92
  93 static const struct v4l2_pix_format ov971x_mode[] = {
  94         {640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
  95                 .bytesperline = 640,
  96                 .sizeimage = 640 * 480,
  97                 .colorspace = V4L2_COLORSPACE_SRGB
  98         }
  99 };
 100
 101 static const struct v4l2_pix_format ov562x_mode[] = {
 102         {2592, 1680, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
 103                 .bytesperline = 2592,
 104                 .sizeimage = 2592 * 1680,
 105                 .colorspace = V4L2_COLORSPACE_SRGB
 106         }
 107 };
 108
 109 static const u8 bridge_init[][2] = {
 110         {0x88, 0xf8},
 111         {0x89, 0xff},
 112         {0x76, 0x03},
 113         {0x92, 0x03},
 114         {0x95, 0x10},
 115         {0xe2, 0x00},
 116         {0xe7, 0x3e},
 117         {0x8d, 0x1c},
 118         {0x8e, 0x00},
 119         {0x8f, 0x00},
 120         {0x1f, 0x00},
 121         {0xc3, 0xf9},
 122         {0x89, 0xff},
 123         {0x88, 0xf8},
 124         {0x76, 0x03},
 125         {0x92, 0x01},
 126         {0x93, 0x18},
 127         {0x1c, 0x0a},
 128         {0x1d, 0x48},
 129         {0xc0, 0x50},
 130         {0xc1, 0x3c},
 131         {0x34, 0x05},
 132         {0xc2, 0x0c},
 133         {0xc3, 0xf9},
 134         {0x34, 0x05},
 135         {0xe7, 0x2e},
 136         {0x31, 0xf9},
 137         {0x35, 0x02},
 138         {0xd9, 0x10},
 139         {0x25, 0x42},
 140         {0x94, 0x11},
 141 };
 142
 143 static const u8 ov965x_init[][2] = {
 144         {0x12, 0x80},   /* com7 - SSCB reset */
 145         {0x00, 0x00},   /* gain */
 146         {0x01, 0x80},   /* blue */
 147         {0x02, 0x80},   /* red */
 148         {0x03, 0x1b},   /* vref */
 149         {0x04, 0x03},   /* com1 - exposure low bits */
 150         {0x0b, 0x57},   /* ver */
 151         {0x0e, 0x61},   /* com5 */
 152         {0x0f, 0x42},   /* com6 */
 153         {0x11, 0x00},   /* clkrc */
 154         {0x12, 0x02},   /* com7 - 15fps VGA YUYV */
 155         {0x13, 0xe7},   /* com8 - everything (AGC, AWB and AEC) */
 156         {0x14, 0x28},   /* com9 */
 157         {0x16, 0x24},   /* reg16 */
 158         {0x17, 0x1d},   /* hstart*/
 159         {0x18, 0xbd},   /* hstop */
 160         {0x19, 0x01},   /* vstrt */
 161         {0x1a, 0x81},   /* vstop*/
 162         {0x1e, 0x04},   /* mvfp */
 163         {0x24, 0x3c},   /* aew */
 164         {0x25, 0x36},   /* aeb */
 165         {0x26, 0x71},   /* vpt */
 166         {0x27, 0x08},   /* bbias */
 167         {0x28, 0x08},   /* gbbias */
 168         {0x29, 0x15},   /* gr com */
 169         {0x2a, 0x00},   /* exhch */
 170         {0x2b, 0x00},   /* exhcl */
 171         {0x2c, 0x08},   /* rbias */
 172         {0x32, 0xff},   /* href */
 173         {0x33, 0x00},   /* chlf */
 174         {0x34, 0x3f},   /* aref1 */
 175         {0x35, 0x00},   /* aref2 */
 176         {0x36, 0xf8},   /* aref3 */
 177         {0x38, 0x72},   /* adc2 */
 178         {0x39, 0x57},   /* aref4 */
 179         {0x3a, 0x80},   /* tslb - yuyv */
 180         {0x3b, 0xc4},   /* com11 - night mode 1/4 frame rate */
 181         {0x3d, 0x99},   /* com13 */
 182         {0x3f, 0xc1},   /* edge */
 183         {0x40, 0xc0},   /* com15 */
 184         {0x41, 0x40},   /* com16 */
 185         {0x42, 0xc0},   /* com17 */
 186         {0x43, 0x0a},   /* rsvd */
 187         {0x44, 0xf0},
 188         {0x45, 0x46},
 189         {0x46, 0x62},
 190         {0x47, 0x2a},
 191         {0x48, 0x3c},
 192         {0x4a, 0xfc},
 193         {0x4b, 0xfc},
 194         {0x4c, 0x7f},
 195         {0x4d, 0x7f},
 196         {0x4e, 0x7f},
 197         {0x4f, 0x98},   /* matrix */
 198         {0x50, 0x98},
 199         {0x51, 0x00},
 200         {0x52, 0x28},
 201         {0x53, 0x70},
 202         {0x54, 0x98},
 203         {0x58, 0x1a},   /* matrix coef sign */
 204         {0x59, 0x85},   /* AWB control */
 205         {0x5a, 0xa9},
 206         {0x5b, 0x64},
 207         {0x5c, 0x84},
 208         {0x5d, 0x53},
 209         {0x5e, 0x0e},
 210         {0x5f, 0xf0},   /* AWB blue limit */
 211         {0x60, 0xf0},   /* AWB red limit */
 212         {0x61, 0xf0},   /* AWB green limit */
 213         {0x62, 0x00},   /* lcc1 */
 214         {0x63, 0x00},   /* lcc2 */
 215         {0x64, 0x02},   /* lcc3 */
 216         {0x65, 0x16},   /* lcc4 */
 217         {0x66, 0x01},   /* lcc5 */
 218         {0x69, 0x02},   /* hv */
 219         {0x6b, 0x5a},   /* dbvl */
 220         {0x6c, 0x04},
 221         {0x6d, 0x55},
 222         {0x6e, 0x00},
 223         {0x6f, 0x9d},
 224         {0x70, 0x21},   /* dnsth */
 225         {0x71, 0x78},
 226         {0x72, 0x00},   /* poidx */
 227         {0x73, 0x01},   /* pckdv */
 228         {0x74, 0x3a},   /* xindx */
 229         {0x75, 0x35},   /* yindx */
 230         {0x76, 0x01},
 231         {0x77, 0x02},
 232         {0x7a, 0x12},   /* gamma curve */
 233         {0x7b, 0x08},
 234         {0x7c, 0x16},
 235         {0x7d, 0x30},
 236         {0x7e, 0x5e},
 237         {0x7f, 0x72},
 238         {0x80, 0x82},
 239         {0x81, 0x8e},
 240         {0x82, 0x9a},
 241         {0x83, 0xa4},
 242         {0x84, 0xac},
 243         {0x85, 0xb8},
 244         {0x86, 0xc3},
 245         {0x87, 0xd6},
 246         {0x88, 0xe6},
 247         {0x89, 0xf2},
 248         {0x8a, 0x03},
 249         {0x8c, 0x89},   /* com19 */
 250         {0x14, 0x28},   /* com9 */
 251         {0x90, 0x7d},
 252         {0x91, 0x7b},
 253         {0x9d, 0x03},   /* lcc6 */
 254         {0x9e, 0x04},   /* lcc7 */
 255         {0x9f, 0x7a},
 256         {0xa0, 0x79},
 257         {0xa1, 0x40},   /* aechm */
 258         {0xa4, 0x50},   /* com21 */
 259         {0xa5, 0x68},   /* com26 */
 260         {0xa6, 0x4a},   /* AWB green */
 261         {0xa8, 0xc1},   /* refa8 */
 262         {0xa9, 0xef},   /* refa9 */
 263         {0xaa, 0x92},
 264         {0xab, 0x04},
 265         {0xac, 0x80},   /* black level control */
 266         {0xad, 0x80},
 267         {0xae, 0x80},
 268         {0xaf, 0x80},
 269         {0xb2, 0xf2},
 270         {0xb3, 0x20},
 271         {0xb4, 0x20},   /* ctrlb4 */
 272         {0xb5, 0x00},
 273         {0xb6, 0xaf},
 274         {0xbb, 0xae},
 275         {0xbc, 0x7f},   /* ADC channel offsets */
 276         {0xdb, 0x7f},
 277         {0xbe, 0x7f},
 278         {0xbf, 0x7f},
 279         {0xc0, 0xe2},
 280         {0xc1, 0xc0},
 281         {0xc2, 0x01},
 282         {0xc3, 0x4e},
 283         {0xc6, 0x85},
 284         {0xc7, 0x80},   /* com24 */
 285         {0xc9, 0xe0},
 286         {0xca, 0xe8},
 287         {0xcb, 0xf0},
 288         {0xcc, 0xd8},
 289         {0xcd, 0xf1},
 290         {0x4f, 0x98},   /* matrix */
 291         {0x50, 0x98},
 292         {0x51, 0x00},
 293         {0x52, 0x28},
 294         {0x53, 0x70},
 295         {0x54, 0x98},
 296         {0x58, 0x1a},
 297         {0xff, 0x41},   /* read 41, write ff 00 */
 298         {0x41, 0x40},   /* com16 */
 299
 300         {0xc5, 0x03},   /* 60 Hz banding filter */
 301         {0x6a, 0x02},   /* 50 Hz banding filter */
 302
 303         {0x12, 0x62},   /* com7 - 30fps VGA YUV */
 304         {0x36, 0xfa},   /* aref3 */
 305         {0x69, 0x0a},   /* hv */
 306         {0x8c, 0x89},   /* com22 */
 307         {0x14, 0x28},   /* com9 */
 308         {0x3e, 0x0c},
 309         {0x41, 0x40},   /* com16 */
 310         {0x72, 0x00},
 311         {0x73, 0x00},
 312         {0x74, 0x3a},
 313         {0x75, 0x35},
 314         {0x76, 0x01},
 315         {0xc7, 0x80},
 316         {0x03, 0x12},   /* vref */
 317         {0x17, 0x16},   /* hstart */
 318         {0x18, 0x02},   /* hstop */
 319         {0x19, 0x01},   /* vstrt */
 320         {0x1a, 0x3d},   /* vstop */
 321         {0x32, 0xff},   /* href */
 322         {0xc0, 0xaa},
 323 };
 324
 325 static const u8 bridge_init_2[][2] = {
 326         {0x94, 0xaa},
 327         {0xf1, 0x60},
 328         {0xe5, 0x04},
 329         {0xc0, 0x50},
 330         {0xc1, 0x3c},
 331         {0x8c, 0x00},
 332         {0x8d, 0x1c},
 333         {0x34, 0x05},
 334
 335         {0xc2, 0x0c},
 336         {0xc3, 0xf9},
 337         {0xda, 0x01},
 338         {0x50, 0x00},
 339         {0x51, 0xa0},
 340         {0x52, 0x3c},
 341         {0x53, 0x00},
 342         {0x54, 0x00},
 343         {0x55, 0x00},
 344         {0x57, 0x00},
 345         {0x5c, 0x00},
 346         {0x5a, 0xa0},
 347         {0x5b, 0x78},
 348         {0x35, 0x02},
 349         {0xd9, 0x10},
 350         {0x94, 0x11},
 351 };
 352
 353 static const u8 ov965x_init_2[][2] = {
 354         {0x3b, 0xc4},
 355         {0x1e, 0x04},   /* mvfp */
 356         {0x13, 0xe0},   /* com8 */
 357         {0x00, 0x00},   /* gain */
 358         {0x13, 0xe7},   /* com8 - everything (AGC, AWB and AEC) */
 359         {0x11, 0x03},   /* clkrc */
 360         {0x6b, 0x5a},   /* dblv */
 361         {0x6a, 0x05},
 362         {0xc5, 0x07},
 363         {0xa2, 0x4b},
 364         {0xa3, 0x3e},
 365         {0x2d, 0x00},
 366         {0xff, 0x42},   /* read 42, write ff 00 */
 367         {0x42, 0xc0},   /* com17 */
 368         {0x2d, 0x00},
 369         {0xff, 0x42},   /* read 42, write ff 00 */
 370         {0x42, 0xc1},   /* com17 */
 371 /* sharpness */
 372         {0x3f, 0x01},
 373         {0xff, 0x42},   /* read 42, write ff 00 */
 374         {0x42, 0xc1},   /* com17 */
 375 /* saturation */
 376         {0x4f, 0x98},   /* matrix */
 377         {0x50, 0x98},
 378         {0x51, 0x00},
 379         {0x52, 0x28},
 380         {0x53, 0x70},
 381         {0x54, 0x98},
 382         {0x58, 0x1a},
 383         {0xff, 0x41},   /* read 41, write ff 00 */
 384         {0x41, 0x40},   /* com16 */
 385 /* contrast */
 386         {0x56, 0x40},
 387 /* brightness */
 388         {0x55, 0x8f},
 389 /* expo */
 390         {0x10, 0x25},   /* aech - exposure high bits */
 391         {0xff, 0x13},   /* read 13, write ff 00 */
 392         {0x13, 0xe7},   /* com8 - everything (AGC, AWB and AEC) */
 393 };
 394
 395 static const u8 ov971x_init[][2] = {
 396         {0x12, 0x80},
 397         {0x09, 0x10},
 398         {0x1e, 0x07},
 399         {0x5f, 0x18},
 400         {0x69, 0x04},
 401         {0x65, 0x2a},
 402         {0x68, 0x0a},
 403         {0x39, 0x28},
 404         {0x4d, 0x90},
 405         {0xc1, 0x80},
 406         {0x0c, 0x30},
 407         {0x6d, 0x02},
 408         {0x96, 0xf1},
 409         {0xbc, 0x68},
 410         {0x12, 0x00},
 411         {0x3b, 0x00},
 412         {0x97, 0x80},
 413         {0x17, 0x25},
 414         {0x18, 0xa2},
 415         {0x19, 0x01},
 416         {0x1a, 0xca},
 417         {0x03, 0x0a},
 418         {0x32, 0x07},
 419         {0x98, 0x40},   /*{0x98, 0x00},*/
 420         {0x99, 0xA0},   /*{0x99, 0x00},*/
 421         {0x9a, 0x01},   /*{0x9a, 0x00},*/
 422         {0x57, 0x00},
 423         {0x58, 0x78},   /*{0x58, 0xc8},*/
 424         {0x59, 0x50},   /*{0x59, 0xa0},*/
 425         {0x4c, 0x13},
 426         {0x4b, 0x36},
 427         {0x3d, 0x3c},
 428         {0x3e, 0x03},
 429         {0xbd, 0x50},   /*{0xbd, 0xa0},*/
 430         {0xbe, 0x78},   /*{0xbe, 0xc8},*/
 431         {0x4e, 0x55},
 432         {0x4f, 0x55},
 433         {0x50, 0x55},
 434         {0x51, 0x55},
 435         {0x24, 0x55},
 436         {0x25, 0x40},
 437         {0x26, 0xa1},
 438         {0x5c, 0x59},
 439         {0x5d, 0x00},
 440         {0x11, 0x00},
 441         {0x2a, 0x98},
 442         {0x2b, 0x06},
 443         {0x2d, 0x00},
 444         {0x2e, 0x00},
 445         {0x13, 0xa5},
 446         {0x14, 0x40},
 447         {0x4a, 0x00},
 448         {0x49, 0xce},
 449         {0x22, 0x03},
 450         {0x09, 0x00}
 451 };
 452
 453 static const u8 ov965x_start_1_vga[][2] = {     /* same for qvga */
 454         {0x12, 0x62},   /* com7 - 30fps VGA YUV */
 455         {0x36, 0xfa},   /* aref3 */
 456         {0x69, 0x0a},   /* hv */
 457         {0x8c, 0x89},   /* com22 */
 458         {0x14, 0x28},   /* com9 */
 459         {0x3e, 0x0c},   /* com14 */
 460         {0x41, 0x40},   /* com16 */
 461         {0x72, 0x00},
 462         {0x73, 0x00},
 463         {0x74, 0x3a},
 464         {0x75, 0x35},
 465         {0x76, 0x01},
 466         {0xc7, 0x80},   /* com24 */
 467         {0x03, 0x12},   /* vref */
 468         {0x17, 0x16},   /* hstart */
 469         {0x18, 0x02},   /* hstop */
 470         {0x19, 0x01},   /* vstrt */
 471         {0x1a, 0x3d},   /* vstop */
 472         {0x32, 0xff},   /* href */
 473         {0xc0, 0xaa},
 474 };
 475
 476 static const u8 ov965x_start_1_svga[][2] = {
 477         {0x12, 0x02},   /* com7 - YUYV - VGA 15 full resolution */
 478         {0x36, 0xf8},   /* aref3 */
 479         {0x69, 0x02},   /* hv */
 480         {0x8c, 0x0d},   /* com22 */
 481         {0x3e, 0x0c},   /* com14 */
 482         {0x41, 0x40},   /* com16 */
 483         {0x72, 0x00},
 484         {0x73, 0x01},
 485         {0x74, 0x3a},
 486         {0x75, 0x35},
 487         {0x76, 0x01},
 488         {0xc7, 0x80},   /* com24 */
 489         {0x03, 0x1b},   /* vref */
 490         {0x17, 0x1d},   /* hstart */
 491         {0x18, 0xbd},   /* hstop */
 492         {0x19, 0x01},   /* vstrt */
 493         {0x1a, 0x81},   /* vstop */
 494         {0x32, 0xff},   /* href */
 495         {0xc0, 0xe2},
 496 };
 497
 498 static const u8 ov965x_start_1_xga[][2] = {
 499         {0x12, 0x02},   /* com7 */
 500         {0x36, 0xf8},   /* aref3 */
 501         {0x69, 0x02},   /* hv */
 502         {0x8c, 0x89},   /* com22 */
 503         {0x14, 0x28},   /* com9 */
 504         {0x3e, 0x0c},   /* com14 */
 505         {0x41, 0x40},   /* com16 */
 506         {0x72, 0x00},
 507         {0x73, 0x01},
 508         {0x74, 0x3a},
 509         {0x75, 0x35},
 510         {0x76, 0x01},
 511         {0xc7, 0x80},   /* com24 */
 512         {0x03, 0x1b},   /* vref */
 513         {0x17, 0x1d},   /* hstart */
 514         {0x18, 0xbd},   /* hstop */
 515         {0x19, 0x01},   /* vstrt */
 516         {0x1a, 0x81},   /* vstop */
 517         {0x32, 0xff},   /* href */
 518         {0xc0, 0xe2},
 519 };
 520
 521 static const u8 ov965x_start_1_sxga[][2] = {
 522         {0x12, 0x02},   /* com7 */
 523         {0x36, 0xf8},   /* aref3 */
 524         {0x69, 0x02},   /* hv */
 525         {0x8c, 0x89},   /* com22 */
 526         {0x14, 0x28},   /* com9 */
 527         {0x3e, 0x0c},   /* com14 */
 528         {0x41, 0x40},   /* com16 */
 529         {0x72, 0x00},
 530         {0x73, 0x01},
 531         {0x74, 0x3a},
 532         {0x75, 0x35},
 533         {0x76, 0x01},
 534         {0xc7, 0x80},   /* com24 */
 535         {0x03, 0x1b},   /* vref */
 536         {0x17, 0x1d},   /* hstart */
 537         {0x18, 0x02},   /* hstop */
 538         {0x19, 0x01},   /* vstrt */
 539         {0x1a, 0x81},   /* vstop */
 540         {0x32, 0xff},   /* href */
 541         {0xc0, 0xe2},
 542 };
 543
 544 static const u8 bridge_start_qvga[][2] = {
 545         {0x94, 0xaa},
 546         {0xf1, 0x60},
 547         {0xe5, 0x04},
 548         {0xc0, 0x50},
 549         {0xc1, 0x3c},
 550         {0x8c, 0x00},
 551         {0x8d, 0x1c},
 552         {0x34, 0x05},
 553
 554         {0xc2, 0x4c},
 555         {0xc3, 0xf9},
 556         {0xda, 0x00},
 557         {0x50, 0x00},
 558         {0x51, 0xa0},
 559         {0x52, 0x78},
 560         {0x53, 0x00},
 561         {0x54, 0x00},
 562         {0x55, 0x00},
 563         {0x57, 0x00},
 564         {0x5c, 0x00},
 565         {0x5a, 0x50},
 566         {0x5b, 0x3c},
 567         {0x35, 0x02},
 568         {0xd9, 0x10},
 569         {0x94, 0x11},
 570 };
 571
 572 static const u8 bridge_start_vga[][2] = {
 573         {0x94, 0xaa},
 574         {0xf1, 0x60},
 575         {0xe5, 0x04},
 576         {0xc0, 0x50},
 577         {0xc1, 0x3c},
 578         {0x8c, 0x00},
 579         {0x8d, 0x1c},
 580         {0x34, 0x05},
 581         {0xc2, 0x0c},
 582         {0xc3, 0xf9},
 583         {0xda, 0x01},
 584         {0x50, 0x00},
 585         {0x51, 0xa0},
 586         {0x52, 0x3c},
 587         {0x53, 0x00},
 588         {0x54, 0x00},
 589         {0x55, 0x00},
 590         {0x57, 0x00},
 591         {0x5c, 0x00},
 592         {0x5a, 0xa0},
 593         {0x5b, 0x78},
 594         {0x35, 0x02},
 595         {0xd9, 0x10},
 596         {0x94, 0x11},
 597 };
 598
 599 static const u8 bridge_start_svga[][2] = {
 600         {0x94, 0xaa},
 601         {0xf1, 0x60},
 602         {0xe5, 0x04},
 603         {0xc0, 0xa0},
 604         {0xc1, 0x80},
 605         {0x8c, 0x00},
 606         {0x8d, 0x1c},
 607         {0x34, 0x05},
 608         {0xc2, 0x4c},
 609         {0xc3, 0xf9},
 610         {0x50, 0x00},
 611         {0x51, 0x40},
 612         {0x52, 0x00},
 613         {0x53, 0x00},
 614         {0x54, 0x00},
 615         {0x55, 0x88},
 616         {0x57, 0x00},
 617         {0x5c, 0x00},
 618         {0x5a, 0xc8},
 619         {0x5b, 0x96},
 620         {0x35, 0x02},
 621         {0xd9, 0x10},
 622         {0xda, 0x00},
 623         {0x94, 0x11},
 624 };
 625
 626 static const u8 bridge_start_xga[][2] = {
 627         {0x94, 0xaa},
 628         {0xf1, 0x60},
 629         {0xe5, 0x04},
 630         {0xc0, 0xa0},
 631         {0xc1, 0x80},
 632         {0x8c, 0x00},
 633         {0x8d, 0x1c},
 634         {0x34, 0x05},
 635         {0xc2, 0x4c},
 636         {0xc3, 0xf9},
 637         {0x50, 0x00},
 638         {0x51, 0x40},
 639         {0x52, 0x00},
 640         {0x53, 0x00},
 641         {0x54, 0x00},
 642         {0x55, 0x88},
 643         {0x57, 0x00},
 644         {0x5c, 0x01},
 645         {0x5a, 0x00},
 646         {0x5b, 0xc0},
 647         {0x35, 0x02},
 648         {0xd9, 0x10},
 649         {0xda, 0x01},
 650         {0x94, 0x11},
 651 };
 652
 653 static const u8 bridge_start_sxga[][2] = {
 654         {0x94, 0xaa},
 655         {0xf1, 0x60},
 656         {0xe5, 0x04},
 657         {0xc0, 0xa0},
 658         {0xc1, 0x80},
 659         {0x8c, 0x00},
 660         {0x8d, 0x1c},
 661         {0x34, 0x05},
 662         {0xc2, 0x0c},
 663         {0xc3, 0xf9},
 664         {0xda, 0x00},
 665         {0x35, 0x02},
 666         {0xd9, 0x10},
 667         {0x94, 0x11},
 668 };
 669
 670 static const u8 ov965x_start_2_qvga[][2] = {
 671         {0x3b, 0xe4},   /* com11 - night mode 1/4 frame rate */
 672         {0x1e, 0x04},   /* mvfp */
 673         {0x13, 0xe0},   /* com8 */
 674         {0x00, 0x00},
 675         {0x13, 0xe7},   /* com8 - everything (AGC, AWB and AEC) */
 676         {0x11, 0x01},   /* clkrc */
 677         {0x6b, 0x5a},   /* dblv */
 678         {0x6a, 0x02},   /* 50 Hz banding filter */
 679         {0xc5, 0x03},   /* 60 Hz banding filter */
 680         {0xa2, 0x96},   /* bd50 */
 681         {0xa3, 0x7d},   /* bd60 */
 682
 683         {0xff, 0x13},   /* read 13, write ff 00 */
 684         {0x13, 0xe7},
 685         {0x3a, 0x80},   /* tslb - yuyv */
 686 };
 687
 688 static const u8 ov965x_start_2_vga[][2] = {
 689         {0x3b, 0xc4},   /* com11 - night mode 1/4 frame rate */
 690         {0x1e, 0x04},   /* mvfp */
 691         {0x13, 0xe0},   /* com8 */
 692         {0x00, 0x00},
 693         {0x13, 0xe7},   /* com8 - everything (AGC, AWB and AEC) */
 694         {0x11, 0x03},   /* clkrc */
 695         {0x6b, 0x5a},   /* dblv */
 696         {0x6a, 0x05},   /* 50 Hz banding filter */
 697         {0xc5, 0x07},   /* 60 Hz banding filter */
 698         {0xa2, 0x4b},   /* bd50 */
 699         {0xa3, 0x3e},   /* bd60 */
 700
 701         {0x2d, 0x00},   /* advfl */
 702 };
 703
 704 static const u8 ov965x_start_2_svga[][2] = {    /* same for xga */
 705         {0x3b, 0xc4},   /* com11 - night mode 1/4 frame rate */
 706         {0x1e, 0x04},   /* mvfp */
 707         {0x13, 0xe0},   /* com8 */
 708         {0x00, 0x00},
 709         {0x13, 0xe7},   /* com8 - everything (AGC, AWB and AEC) */
 710         {0x11, 0x01},   /* clkrc */
 711         {0x6b, 0x5a},   /* dblv */
 712         {0x6a, 0x0c},   /* 50 Hz banding filter */
 713         {0xc5, 0x0f},   /* 60 Hz banding filter */
 714         {0xa2, 0x4e},   /* bd50 */
 715         {0xa3, 0x41},   /* bd60 */
 716 };
 717
 718 static const u8 ov965x_start_2_sxga[][2] = {
 719         {0x13, 0xe0},   /* com8 */
 720         {0x00, 0x00},
 721         {0x13, 0xe7},   /* com8 - everything (AGC, AWB and AEC) */
 722         {0x3b, 0xc4},   /* com11 - night mode 1/4 frame rate */
 723         {0x1e, 0x04},   /* mvfp */
 724         {0x11, 0x01},   /* clkrc */
 725         {0x6b, 0x5a},   /* dblv */
 726         {0x6a, 0x0c},   /* 50 Hz banding filter */
 727         {0xc5, 0x0f},   /* 60 Hz banding filter */
 728         {0xa2, 0x4e},   /* bd50 */
 729         {0xa3, 0x41},   /* bd60 */
 730 };
 731
 732 static const u8 ov562x_init[][2] = {
 733         {0x88, 0x20},
 734         {0x89, 0x0a},
 735         {0x8a, 0x90},
 736         {0x8b, 0x06},
 737         {0x8c, 0x01},
 738         {0x8d, 0x10},
 739         {0x1c, 0x00},
 740         {0x1d, 0x48},
 741         {0x1d, 0x00},
 742         {0x1d, 0xff},
 743         {0x1c, 0x0a},
 744         {0x1d, 0x2e},
 745         {0x1d, 0x1e},
 746 };
 747
 748 static const u8 ov562x_init_2[][2] = {
 749         {0x12, 0x80},
 750         {0x11, 0x41},
 751         {0x13, 0x00},
 752         {0x10, 0x1e},
 753         {0x3b, 0x07},
 754         {0x5b, 0x40},
 755         {0x39, 0x07},
 756         {0x53, 0x02},
 757         {0x54, 0x60},
 758         {0x04, 0x20},
 759         {0x27, 0x04},
 760         {0x3d, 0x40},
 761         {0x36, 0x00},
 762         {0xc5, 0x04},
 763         {0x4e, 0x00},
 764         {0x4f, 0x93},
 765         {0x50, 0x7b},
 766         {0xca, 0x0c},
 767         {0xcb, 0x0f},
 768         {0x39, 0x07},
 769         {0x4a, 0x10},
 770         {0x3e, 0x0a},
 771         {0x3d, 0x00},
 772         {0x0c, 0x38},
 773         {0x38, 0x90},
 774         {0x46, 0x30},
 775         {0x4f, 0x93},
 776         {0x50, 0x7b},
 777         {0xab, 0x00},
 778         {0xca, 0x0c},
 779         {0xcb, 0x0f},
 780         {0x37, 0x02},
 781         {0x44, 0x48},
 782         {0x8d, 0x44},
 783         {0x2a, 0x00},
 784         {0x2b, 0x00},
 785         {0x32, 0x00},
 786         {0x38, 0x90},
 787         {0x53, 0x02},
 788         {0x54, 0x60},
 789         {0x12, 0x00},
 790         {0x17, 0x12},
 791         {0x18, 0xb4},
 792         {0x19, 0x0c},
 793         {0x1a, 0xf4},
 794         {0x03, 0x4a},
 795         {0x89, 0x20},
 796         {0x83, 0x80},
 797         {0xb7, 0x9d},
 798         {0xb6, 0x11},
 799         {0xb5, 0x55},
 800         {0xb4, 0x00},
 801         {0xa9, 0xf0},
 802         {0xa8, 0x0a},
 803         {0xb8, 0xf0},
 804         {0xb9, 0xf0},
 805         {0xba, 0xf0},
 806         {0x81, 0x07},
 807         {0x63, 0x44},
 808         {0x13, 0xc7},
 809         {0x14, 0x60},
 810         {0x33, 0x75},
 811         {0x2c, 0x00},
 812         {0x09, 0x00},
 813         {0x35, 0x30},
 814         {0x27, 0x04},
 815         {0x3c, 0x07},
 816         {0x3a, 0x0a},
 817         {0x3b, 0x07},
 818         {0x01, 0x40},
 819         {0x02, 0x40},
 820         {0x16, 0x40},
 821         {0x52, 0xb0},
 822         {0x51, 0x83},
 823         {0x21, 0xbb},
 824         {0x22, 0x10},
 825         {0x23, 0x03},
 826         {0x35, 0x38},
 827         {0x20, 0x90},
 828         {0x28, 0x30},
 829         {0x73, 0xe1},
 830         {0x6c, 0x00},
 831         {0x6d, 0x80},
 832         {0x6e, 0x00},
 833         {0x70, 0x04},
 834         {0x71, 0x00},
 835         {0x8d, 0x04},
 836         {0x64, 0x00},
 837         {0x65, 0x00},
 838         {0x66, 0x00},
 839         {0x67, 0x00},
 840         {0x68, 0x00},
 841         {0x69, 0x00},
 842         {0x6a, 0x00},
 843         {0x6b, 0x00},
 844         {0x71, 0x94},
 845         {0x74, 0x20},
 846         {0x80, 0x09},
 847         {0x85, 0xc0},
 848 };
 849
 850 static void reg_w_i(struct gspca_dev *gspca_dev, u16 reg, u8 val)
 851 {
 852         struct usb_device *udev = gspca_dev->dev;
 853         int ret;
 854
 855         if (gspca_dev->usb_err < 0)
 856                 return;
 857         gspca_dev->usb_buf[0] = val;
 858         ret = usb_control_msg(udev,
 859                               usb_sndctrlpipe(udev, 0),
 860                               0x01,
 861                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 862                               0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
 863         if (ret < 0) {
 864                 pr_err("reg_w failed %d\n", ret);
 865                 gspca_dev->usb_err = ret;
 866         }
 867 }
 868
 869 static void reg_w(struct gspca_dev *gspca_dev, u16 reg, u8 val)
 870 {
 871         PDEBUG(D_USBO, "reg_w [%04x] = %02x", reg, val);
 872         reg_w_i(gspca_dev, reg, val);
 873 }
 874
 875 static u8 reg_r(struct gspca_dev *gspca_dev, u16 reg)
 876 {
 877         struct usb_device *udev = gspca_dev->dev;
 878         int ret;
 879
 880         if (gspca_dev->usb_err < 0)
 881                 return 0;
 882         ret = usb_control_msg(udev,
 883                               usb_rcvctrlpipe(udev, 0),
 884                               0x01,
 885                               USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 886                               0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
 887         PDEBUG(D_USBI, "reg_r [%04x] -> %02x", reg, gspca_dev->usb_buf[0]);
 888         if (ret < 0) {
 889                 pr_err("reg_r err %d\n", ret);
 890                 gspca_dev->usb_err = ret;
 891         }
 892         return gspca_dev->usb_buf[0];
 893 }
 894
 895 static int sccb_check_status(struct gspca_dev *gspca_dev)
 896 {
 897         u8 data;
 898         int i;
 899
 900         for (i = 0; i < 5; i++) {
 901                 msleep(10);
 902                 data = reg_r(gspca_dev, OV534_REG_STATUS);
 903
 904                 switch (data) {
 905                 case 0x00:
 906                         return 1;
 907                 case 0x04:
 908                         return 0;
 909                 case 0x03:
 910                         break;
 911                 default:
 912                         PDEBUG(D_USBI|D_USBO,
 913                                 "sccb status 0x%02x, attempt %d/5",
 914                                 data, i + 1);
 915                 }
 916         }
 917         return 0;
 918 }
 919
 920 static void sccb_write(struct gspca_dev *gspca_dev, u8 reg, u8 val)
 921 {
 922         PDEBUG(D_USBO, "sccb_write [%02x] = %02x", reg, val);
 923         reg_w_i(gspca_dev, OV534_REG_SUBADDR, reg);
 924         reg_w_i(gspca_dev, OV534_REG_WRITE, val);
 925         reg_w_i(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3);
 926
 927         if (!sccb_check_status(gspca_dev))
 928                 pr_err("sccb_write failed\n");
 929 }
 930
 931 static u8 sccb_read(struct gspca_dev *gspca_dev, u16 reg)
 932 {
 933         reg_w(gspca_dev, OV534_REG_SUBADDR, reg);
 934         reg_w(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2);
 935         if (!sccb_check_status(gspca_dev))
 936                 pr_err("sccb_read failed 1\n");
 937
 938         reg_w(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2);
 939         if (!sccb_check_status(gspca_dev))
 940                 pr_err("sccb_read failed 2\n");
 941
 942         return reg_r(gspca_dev, OV534_REG_READ);
 943 }
 944
 945 /* output a bridge sequence (reg - val) */
 946 static void reg_w_array(struct gspca_dev *gspca_dev,
 947                         const u8 (*data)[2], int len)
 948 {
 949         while (--len >= 0) {
 950                 reg_w(gspca_dev, (*data)[0], (*data)[1]);
 951                 data++;
 952         }
 953 }
 954
 955 /* output a sensor sequence (reg - val) */
 956 static void sccb_w_array(struct gspca_dev *gspca_dev,
 957                         const u8 (*data)[2], int len)
 958 {
 959         while (--len >= 0) {
 960                 if ((*data)[0] != 0xff) {
 961                         sccb_write(gspca_dev, (*data)[0], (*data)[1]);
 962                 } else {
 963                         sccb_read(gspca_dev, (*data)[1]);
 964                         sccb_write(gspca_dev, 0xff, 0x00);
 965                 }
 966                 data++;
 967         }
 968 }
 969
 970 /* Two bits control LED: 0x21 bit 7 and 0x23 bit 7.
 971  * (direction and output)? */
 972 static void set_led(struct gspca_dev *gspca_dev, int status)
 973 {
 974         u8 data;
 975
 976         PDEBUG(D_CONF, "led status: %d", status);
 977
 978         data = reg_r(gspca_dev, 0x21);
 979         data |= 0x80;
 980         reg_w(gspca_dev, 0x21, data);
 981
 982         data = reg_r(gspca_dev, 0x23);
 983         if (status)
 984                 data |= 0x80;
 985         else
 986                 data &= ~0x80;
 987
 988         reg_w(gspca_dev, 0x23, data);
 989
 990         if (!status) {
 991                 data = reg_r(gspca_dev, 0x21);
 992                 data &= ~0x80;
 993                 reg_w(gspca_dev, 0x21, data);
 994         }
 995 }
 996
 997 static void setbrightness(struct gspca_dev *gspca_dev, s32 brightness)
 998 {
 999         struct sd *sd = (struct sd *) gspca_dev;
1000         u8 val;
1001         s8 sval;
1002
1003         if (sd->sensor == SENSOR_OV562x) {
1004                 sval = brightness;
1005                 val = 0x76;
1006                 val += sval;
1007                 sccb_write(gspca_dev, 0x24, val);
1008                 val = 0x6a;
1009                 val += sval;
1010                 sccb_write(gspca_dev, 0x25, val);
1011                 if (sval < -40)
1012                         val = 0x71;
1013                 else if (sval < 20)
1014                         val = 0x94;
1015                 else
1016                         val = 0xe6;
1017                 sccb_write(gspca_dev, 0x26, val);
1018         } else {
1019                 val = brightness;
1020                 if (val < 8)
1021                         val = 15 - val;         /* f .. 8 */
1022                 else
1023                         val = val - 8;          /* 0 .. 7 */
1024                 sccb_write(gspca_dev, 0x55,     /* brtn - brightness adjustment */
1025                                 0x0f | (val << 4));
1026         }
1027 }
1028
1029 static void setcontrast(struct gspca_dev *gspca_dev, s32 val)
1030 {
1031         sccb_write(gspca_dev, 0x56,     /* cnst1 - contrast 1 ctrl coeff */
1032                         val << 4);
1033 }
1034
1035 static void setautogain(struct gspca_dev *gspca_dev, s32 autogain)
1036 {
1037         u8 val;
1038
1039 /*fixme: should adjust agc/awb/aec by different controls */
1040         val = sccb_read(gspca_dev, 0x13);               /* com8 */
1041         sccb_write(gspca_dev, 0xff, 0x00);
1042         if (autogain)
1043                 val |= 0x05;            /* agc & aec */
1044         else
1045                 val &= 0xfa;
1046         sccb_write(gspca_dev, 0x13, val);
1047 }
1048
1049 static void setexposure(struct gspca_dev *gspca_dev, s32 exposure)
1050 {
1051         static const u8 expo[4] = {0x00, 0x25, 0x38, 0x5e};
1052         u8 val;
1053
1054         sccb_write(gspca_dev, 0x10, expo[exposure]);    /* aec[9:2] */
1055
1056         val = sccb_read(gspca_dev, 0x13);               /* com8 */
1057         sccb_write(gspca_dev, 0xff, 0x00);
1058         sccb_write(gspca_dev, 0x13, val);
1059
1060         val = sccb_read(gspca_dev, 0xa1);               /* aech */
1061         sccb_write(gspca_dev, 0xff, 0x00);
1062         sccb_write(gspca_dev, 0xa1, val & 0xe0);        /* aec[15:10] = 0 */
1063 }
1064
1065 static void setsharpness(struct gspca_dev *gspca_dev, s32 val)
1066 {
1067         if (val < 0) {                          /* auto */
1068                 val = sccb_read(gspca_dev, 0x42);       /* com17 */
1069                 sccb_write(gspca_dev, 0xff, 0x00);
1070                 sccb_write(gspca_dev, 0x42, val | 0x40);
1071                                 /* Edge enhancement strength auto adjust */
1072                 return;
1073         }
1074         if (val != 0)
1075                 val = 1 << (val - 1);
1076         sccb_write(gspca_dev, 0x3f,     /* edge - edge enhance. factor */
1077                         val);
1078         val = sccb_read(gspca_dev, 0x42);               /* com17 */
1079         sccb_write(gspca_dev, 0xff, 0x00);
1080         sccb_write(gspca_dev, 0x42, val & 0xbf);
1081 }
1082
1083 static void setsatur(struct gspca_dev *gspca_dev, s32 val)
1084 {
1085         u8 val1, val2, val3;
1086         static const u8 matrix[5][2] = {
1087                 {0x14, 0x38},
1088                 {0x1e, 0x54},
1089                 {0x28, 0x70},
1090                 {0x32, 0x8c},
1091                 {0x48, 0x90}
1092         };
1093
1094         val1 = matrix[val][0];
1095         val2 = matrix[val][1];
1096         val3 = val1 + val2;
1097         sccb_write(gspca_dev, 0x4f, val3);      /* matrix coeff */
1098         sccb_write(gspca_dev, 0x50, val3);
1099         sccb_write(gspca_dev, 0x51, 0x00);
1100         sccb_write(gspca_dev, 0x52, val1);
1101         sccb_write(gspca_dev, 0x53, val2);
1102         sccb_write(gspca_dev, 0x54, val3);
1103         sccb_write(gspca_dev, 0x58, 0x1a);      /* mtxs - coeff signs */
1104
1105         val1 = sccb_read(gspca_dev, 0x41);      /* com16 */
1106         sccb_write(gspca_dev, 0xff, 0x00);
1107         sccb_write(gspca_dev, 0x41, val1);
1108 }
1109
1110 static void setlightfreq(struct gspca_dev *gspca_dev, s32 freq)
1111 {
1112         u8 val;
1113
1114         val = sccb_read(gspca_dev, 0x13);               /* com8 */
1115         sccb_write(gspca_dev, 0xff, 0x00);
1116         if (freq == 0) {
1117                 sccb_write(gspca_dev, 0x13, val & 0xdf);
1118                 return;
1119         }
1120         sccb_write(gspca_dev, 0x13, val | 0x20);
1121
1122         val = sccb_read(gspca_dev, 0x42);               /* com17 */
1123         sccb_write(gspca_dev, 0xff, 0x00);
1124         if (freq == 1)
1125                 val |= 0x01;
1126         else
1127                 val &= 0xfe;
1128         sccb_write(gspca_dev, 0x42, val);
1129 }
1130
1131 /* this function is called at probe time */
1132 static int sd_config(struct gspca_dev *gspca_dev,
1133                      const struct usb_device_id *id)
1134 {
1135         return 0;
1136 }
1137
1138 /* this function is called at probe and resume time */
1139 static int sd_init(struct gspca_dev *gspca_dev)
1140 {
1141         struct sd *sd = (struct sd *) gspca_dev;
1142         u16 sensor_id;
1143
1144         /* reset bridge */
1145         reg_w(gspca_dev, 0xe7, 0x3a);
1146         reg_w(gspca_dev, 0xe0, 0x08);
1147         msleep(100);
1148
1149         /* initialize the sensor address */
1150         reg_w(gspca_dev, OV534_REG_ADDRESS, 0x60);
1151
1152         /* reset sensor */
1153         sccb_write(gspca_dev, 0x12, 0x80);
1154         msleep(10);
1155
1156         /* probe the sensor */
1157         sccb_read(gspca_dev, 0x0a);
1158         sensor_id = sccb_read(gspca_dev, 0x0a) << 8;
1159         sccb_read(gspca_dev, 0x0b);
1160         sensor_id |= sccb_read(gspca_dev, 0x0b);
1161         PDEBUG(D_PROBE, "Sensor ID: %04x", sensor_id);
1162
1163         /* initialize */
1164         if ((sensor_id & 0xfff0) == 0x9650) {
1165                 sd->sensor = SENSOR_OV965x;
1166
1167                 gspca_dev->cam.cam_mode = ov965x_mode;
1168                 gspca_dev->cam.nmodes = ARRAY_SIZE(ov965x_mode);
1169
1170                 reg_w_array(gspca_dev, bridge_init,
1171                                 ARRAY_SIZE(bridge_init));
1172                 sccb_w_array(gspca_dev, ov965x_init,
1173                                 ARRAY_SIZE(ov965x_init));
1174                 reg_w_array(gspca_dev, bridge_init_2,
1175                                 ARRAY_SIZE(bridge_init_2));
1176                 sccb_w_array(gspca_dev, ov965x_init_2,
1177                                 ARRAY_SIZE(ov965x_init_2));
1178                 reg_w(gspca_dev, 0xe0, 0x00);
1179                 reg_w(gspca_dev, 0xe0, 0x01);
1180                 set_led(gspca_dev, 0);
1181                 reg_w(gspca_dev, 0xe0, 0x00);
1182         } else if ((sensor_id & 0xfff0) == 0x9710) {
1183                 const char *p;
1184                 int l;
1185
1186                 sd->sensor = SENSOR_OV971x;
1187
1188                 gspca_dev->cam.cam_mode = ov971x_mode;
1189                 gspca_dev->cam.nmodes = ARRAY_SIZE(ov971x_mode);
1190
1191                 gspca_dev->cam.bulk = 1;
1192                 gspca_dev->cam.bulk_size = 16384;
1193                 gspca_dev->cam.bulk_nurbs = 2;
1194
1195                 sccb_w_array(gspca_dev, ov971x_init,
1196                                 ARRAY_SIZE(ov971x_init));
1197
1198                 /* set video format on bridge processor */
1199                 /* access bridge processor's video format registers at: 0x00 */
1200                 reg_w(gspca_dev, 0x1c, 0x00);
1201                 /*set register: 0x00 is 'RAW8', 0x40 is 'YUV422' (YUYV?)*/
1202                 reg_w(gspca_dev, 0x1d, 0x00);
1203
1204                 /* Will W. specific stuff
1205                  * set VSYNC to
1206                  *      output (0x1f) if first webcam
1207                  *      input (0x17) if 2nd or 3rd webcam */
1208                 p = video_device_node_name(&gspca_dev->vdev);
1209                 l = strlen(p) - 1;
1210                 if (p[l] == '0')
1211                         reg_w(gspca_dev, 0x56, 0x1f);
1212                 else
1213                         reg_w(gspca_dev, 0x56, 0x17);
1214         } else if ((sensor_id & 0xfff0) == 0x5620) {
1215                 sd->sensor = SENSOR_OV562x;
1216                 gspca_dev->cam.cam_mode = ov562x_mode;
1217                 gspca_dev->cam.nmodes = ARRAY_SIZE(ov562x_mode);
1218
1219                 reg_w_array(gspca_dev, ov562x_init,
1220                                 ARRAY_SIZE(ov562x_init));
1221                 sccb_w_array(gspca_dev, ov562x_init_2,
1222                                 ARRAY_SIZE(ov562x_init_2));
1223                 reg_w(gspca_dev, 0xe0, 0x00);
1224         } else {
1225                 pr_err("Unknown sensor %04x", sensor_id);
1226                 return -EINVAL;
1227         }
1228
1229         return gspca_dev->usb_err;
1230 }
1231
1232 static int sd_start(struct gspca_dev *gspca_dev)
1233 {
1234         struct sd *sd = (struct sd *) gspca_dev;
1235
1236         if (sd->sensor == SENSOR_OV971x)
1237                 return gspca_dev->usb_err;
1238         if (sd->sensor == SENSOR_OV562x)
1239                 return gspca_dev->usb_err;
1240
1241         switch (gspca_dev->curr_mode) {
1242         case QVGA_MODE:                 /* 320x240 */
1243                 sccb_w_array(gspca_dev, ov965x_start_1_vga,
1244                                 ARRAY_SIZE(ov965x_start_1_vga));
1245                 reg_w_array(gspca_dev, bridge_start_qvga,
1246                                 ARRAY_SIZE(bridge_start_qvga));
1247                 sccb_w_array(gspca_dev, ov965x_start_2_qvga,
1248                                 ARRAY_SIZE(ov965x_start_2_qvga));
1249                 break;
1250         case VGA_MODE:                  /* 640x480 */
1251                 sccb_w_array(gspca_dev, ov965x_start_1_vga,
1252                                 ARRAY_SIZE(ov965x_start_1_vga));
1253                 reg_w_array(gspca_dev, bridge_start_vga,
1254                                 ARRAY_SIZE(bridge_start_vga));
1255                 sccb_w_array(gspca_dev, ov965x_start_2_vga,
1256                                 ARRAY_SIZE(ov965x_start_2_vga));
1257                 break;
1258         case SVGA_MODE:                 /* 800x600 */
1259                 sccb_w_array(gspca_dev, ov965x_start_1_svga,
1260                                 ARRAY_SIZE(ov965x_start_1_svga));
1261                 reg_w_array(gspca_dev, bridge_start_svga,
1262                                 ARRAY_SIZE(bridge_start_svga));
1263                 sccb_w_array(gspca_dev, ov965x_start_2_svga,
1264                                 ARRAY_SIZE(ov965x_start_2_svga));
1265                 break;
1266         case XGA_MODE:                  /* 1024x768 */
1267                 sccb_w_array(gspca_dev, ov965x_start_1_xga,
1268                                 ARRAY_SIZE(ov965x_start_1_xga));
1269                 reg_w_array(gspca_dev, bridge_start_xga,
1270                                 ARRAY_SIZE(bridge_start_xga));
1271                 sccb_w_array(gspca_dev, ov965x_start_2_svga,
1272                                 ARRAY_SIZE(ov965x_start_2_svga));
1273                 break;
1274         default:
1275 /*      case SXGA_MODE:                  * 1280x1024 */
1276                 sccb_w_array(gspca_dev, ov965x_start_1_sxga,
1277                                 ARRAY_SIZE(ov965x_start_1_sxga));
1278                 reg_w_array(gspca_dev, bridge_start_sxga,
1279                                 ARRAY_SIZE(bridge_start_sxga));
1280                 sccb_w_array(gspca_dev, ov965x_start_2_sxga,
1281                                 ARRAY_SIZE(ov965x_start_2_sxga));
1282                 break;
1283         }
1284
1285         reg_w(gspca_dev, 0xe0, 0x00);
1286         reg_w(gspca_dev, 0xe0, 0x00);
1287         set_led(gspca_dev, 1);
1288         return gspca_dev->usb_err;
1289 }
1290
1291 static void sd_stopN(struct gspca_dev *gspca_dev)
1292 {
1293         reg_w(gspca_dev, 0xe0, 0x01);
1294         set_led(gspca_dev, 0);
1295         reg_w(gspca_dev, 0xe0, 0x00);
1296 }
1297
1298 /* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */
1299 #define UVC_STREAM_EOH  (1 << 7)
1300 #define UVC_STREAM_ERR  (1 << 6)
1301 #define UVC_STREAM_STI  (1 << 5)
1302 #define UVC_STREAM_RES  (1 << 4)
1303 #define UVC_STREAM_SCR  (1 << 3)
1304 #define UVC_STREAM_PTS  (1 << 2)
1305 #define UVC_STREAM_EOF  (1 << 1)
1306 #define UVC_STREAM_FID  (1 << 0)
1307
1308 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
1309                         u8 *data, int len)
1310 {
1311         struct sd *sd = (struct sd *) gspca_dev;
1312         __u32 this_pts;
1313         u8 this_fid;
1314         int remaining_len = len;
1315         int payload_len;
1316
1317         payload_len = gspca_dev->cam.bulk ? 2048 : 2040;
1318         do {
1319                 len = min(remaining_len, payload_len);
1320
1321                 /* Payloads are prefixed with a UVC-style header.  We
1322                    consider a frame to start when the FID toggles, or the PTS
1323                    changes.  A frame ends when EOF is set, and we've received
1324                    the correct number of bytes. */
1325
1326                 /* Verify UVC header.  Header length is always 12 */
1327                 if (data[0] != 12 || len < 12) {
1328                         PDEBUG(D_PACK, "bad header");
1329                         goto discard;
1330                 }
1331
1332                 /* Check errors */
1333                 if (data[1] & UVC_STREAM_ERR) {
1334                         PDEBUG(D_PACK, "payload error");
1335                         goto discard;
1336                 }
1337
1338                 /* Extract PTS and FID */
1339                 if (!(data[1] & UVC_STREAM_PTS)) {
1340                         PDEBUG(D_PACK, "PTS not present");
1341                         goto discard;
1342                 }
1343                 this_pts = (data[5] << 24) | (data[4] << 16)
1344                                                 | (data[3] << 8) | data[2];
1345                 this_fid = data[1] & UVC_STREAM_FID;
1346
1347                 /* If PTS or FID has changed, start a new frame. */
1348                 if (this_pts != sd->last_pts || this_fid != sd->last_fid) {
1349                         if (gspca_dev->last_packet_type == INTER_PACKET)
1350                                 gspca_frame_add(gspca_dev, LAST_PACKET,
1351                                                 NULL, 0);
1352                         sd->last_pts = this_pts;
1353                         sd->last_fid = this_fid;
1354                         gspca_frame_add(gspca_dev, FIRST_PACKET,
1355                                         data + 12, len - 12);
1356                 /* If this packet is marked as EOF, end the frame */
1357                 } else if (data[1] & UVC_STREAM_EOF) {
1358                         sd->last_pts = 0;
1359                         gspca_frame_add(gspca_dev, LAST_PACKET,
1360                                         data + 12, len - 12);
1361                 } else {
1362
1363                         /* Add the data from this payload */
1364                         gspca_frame_add(gspca_dev, INTER_PACKET,
1365                                         data + 12, len - 12);
1366                 }
1367
1368                 /* Done this payload */
1369                 goto scan_next;
1370
1371 discard:
1372                 /* Discard data until a new frame starts. */
1373                 gspca_dev->last_packet_type = DISCARD_PACKET;
1374
1375 scan_next:
1376                 remaining_len -= len;
1377                 data += len;
1378         } while (remaining_len > 0);
1379 }
1380
1381 static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
1382 {
1383         struct gspca_dev *gspca_dev =
1384                 container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
1385
1386         gspca_dev->usb_err = 0;
1387
1388         if (!gspca_dev->streaming)
1389                 return 0;
1390
1391         switch (ctrl->id) {
1392         case V4L2_CID_BRIGHTNESS:
1393                 setbrightness(gspca_dev, ctrl->val);
1394                 break;
1395         case V4L2_CID_CONTRAST:
1396                 setcontrast(gspca_dev, ctrl->val);
1397                 break;
1398         case V4L2_CID_SATURATION:
1399                 setsatur(gspca_dev, ctrl->val);
1400                 break;
1401         case V4L2_CID_POWER_LINE_FREQUENCY:
1402                 setlightfreq(gspca_dev, ctrl->val);
1403                 break;
1404         case V4L2_CID_SHARPNESS:
1405                 setsharpness(gspca_dev, ctrl->val);
1406                 break;
1407         case V4L2_CID_AUTOGAIN:
1408                 if (ctrl->is_new)
1409                         setautogain(gspca_dev, ctrl->val);
1410                 if (!ctrl->val && gspca_dev->exposure->is_new)
1411                         setexposure(gspca_dev, gspca_dev->exposure->val);
1412                 break;
1413         }
1414         return gspca_dev->usb_err;
1415 }
1416
1417 static const struct v4l2_ctrl_ops sd_ctrl_ops = {
1418         .s_ctrl = sd_s_ctrl,
1419 };
1420
1421 static int sd_init_controls(struct gspca_dev *gspca_dev)
1422 {
1423         struct sd *sd = (struct sd *)gspca_dev;
1424         struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
1425
1426         if (sd->sensor == SENSOR_OV971x)
1427                 return 0;
1428         gspca_dev->vdev.ctrl_handler = hdl;
1429         v4l2_ctrl_handler_init(hdl, 7);
1430         if (sd->sensor == SENSOR_OV562x) {
1431                 v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1432                         V4L2_CID_BRIGHTNESS, -90, 90, 1, 0);
1433         } else {
1434                 v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1435                         V4L2_CID_BRIGHTNESS, 0, 15, 1, 7);
1436                 v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1437                         V4L2_CID_CONTRAST, 0, 15, 1, 3);
1438                 v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1439                         V4L2_CID_SATURATION, 0, 4, 1, 2);
1440                 /* -1 = auto */
1441                 v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1442                         V4L2_CID_SHARPNESS, -1, 4, 1, -1);
1443                 gspca_dev->autogain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1444                         V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
1445                 gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
1446                         V4L2_CID_EXPOSURE, 0, 3, 1, 0);
1447                 v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops,
1448                         V4L2_CID_POWER_LINE_FREQUENCY,
1449                         V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 0, 0);
1450                 v4l2_ctrl_auto_cluster(3, &gspca_dev->autogain, 0, false);
1451         }
1452
1453         if (hdl->error) {
1454                 pr_err("Could not initialize controls\n");
1455                 return hdl->error;
1456         }
1457         return 0;
1458 }
1459
1460 /* sub-driver description */
1461 static const struct sd_desc sd_desc = {
1462         .name     = MODULE_NAME,
1463         .config   = sd_config,
1464         .init     = sd_init,
1465         .init_controls = sd_init_controls,
1466         .start    = sd_start,
1467         .stopN    = sd_stopN,
1468         .pkt_scan = sd_pkt_scan,
1469 };
1470
1471 /* -- module initialisation -- */
1472 static const struct usb_device_id device_table[] = {
1473         {USB_DEVICE(0x05a9, 0x8065)},
1474         {USB_DEVICE(0x06f8, 0x3003)},
1475         {USB_DEVICE(0x05a9, 0x1550)},
1476         {}
1477 };
1478
1479 MODULE_DEVICE_TABLE(usb, device_table);
1480
1481 /* -- device connect -- */
1482 static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id)
1483 {
1484         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1485                                 THIS_MODULE);
1486 }
1487
1488 static struct usb_driver sd_driver = {
1489         .name       = MODULE_NAME,
1490         .id_table   = device_table,
1491         .probe      = sd_probe,
1492         .disconnect = gspca_disconnect,
1493 #ifdef CONFIG_PM
1494         .suspend    = gspca_suspend,
1495         .resume     = gspca_resume,
1496         .reset_resume = gspca_resume,
1497 #endif
1498 };
1499
1500 module_usb_driver(sd_driver);